A型题 X射线衍射的布拉格方程中，d（hkl）为（）
A. 某一点阵面的晶面间距
B. X射线的波长
C. 衍射角
D. 衍射强度
E. 晶格中相邻的两质点之间的距离
Distributing which of the following publications would be most likely to encourage Aleuts to make more use of English
A. Russian translations of English novels.
B. An Aleut-English bilingual text devoted to important aspects of Aleutian culture.
C. An English-Russian bilingual text devoted to important aspects of Aleutian culture.
D. English translations of Russian novels.
A型题 外周血管痉挛性疾病可选用（）
A. 酚妥拉明
B. 东莨菪碱
C. 阿托品
D. 普萘洛尔
E. 多巴酚丁胺
Do you have an afternoon ______ this week to meet the President
A. obtainable
B. available
C. visible
D. reliable
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